ΔE 37.5, loose: different enough that you should pick on purpose. Glitter Green is a little lighter, much more saturated, cooler than Rusty Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 37). Glitter Green is a little lighter, much more saturated, cooler than Rusty Gold.
The same difference applies the other way round: Rusty Gold is a little darker, much more muted, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Rusty Gold on the colour wheel See Glitter Green on the colour wheel
All matches: Rusty Gold equivalents · Glitter Green equivalents